FORMA は、湿潤な熱帯林を対象とした MODIS ベースの森林破壊アラート システムです。FORMA は、森林被覆の損失が新たに発生した地域を迅速に特定できるように設計されています。このシステムは、NASA の Terra 衛星と Aqua 衛星で動作する MODIS センサーによって毎日収集されたデータを分析します。FORMA アラート システムは、顕著な … を検出します。
[[["わかりやすい","easyToUnderstand","thumb-up"],["問題の解決に役立った","solvedMyProblem","thumb-up"],["その他","otherUp","thumb-up"]],[["必要な情報がない","missingTheInformationINeed","thumb-down"],["複雑すぎる / 手順が多すぎる","tooComplicatedTooManySteps","thumb-down"],["最新ではない","outOfDate","thumb-down"],["翻訳に関する問題","translationIssue","thumb-down"],["サンプル / コードに問題がある","samplesCodeIssue","thumb-down"],["その他","otherDown","thumb-down"]],[],[[["\u003cp\u003eFORMA is a MODIS-based deforestation alerting system for the humid tropical forests designed for quick identification of new areas of tree cover loss.\u003c/p\u003e\n"],["\u003cp\u003eThe system analyzes data from NASA's Terra and Aqua satellites to detect pronounced changes in vegetation cover, indicating potential forest clearing, burning, or defoliation.\u003c/p\u003e\n"],["\u003cp\u003eFORMA alerts are generated for areas with a probability of tree cover loss greater than or equal to 50% and are represented by pixel values corresponding to the date of change detection.\u003c/p\u003e\n"],["\u003cp\u003eThis dataset has been superseded by WRI/GFW/FORMA/alerts and has a spatial resolution of 500 meters with a twice-monthly update interval, covering the period from January 2006 to June 2015.\u003c/p\u003e\n"],["\u003cp\u003eThe FORMA datasets are available without restriction on use or distribution, with proper attribution requested to WRI and GFW as the data source.\u003c/p\u003e\n"]]],["FORMA, a MODIS-based system, identifies new tree cover loss in humid tropical forests by analyzing daily data from NASA's Terra and Aqua satellites. It uses the Normalized Difference Vegetation Index (NDVI) to detect changes indicative of clearing, burning, or defoliation. Alerts, represented by pixel values set to the change detection date, appear where tree cover loss probability is ≥50%. The data, updated twice-monthly, has a 500-meter spatial resolution and covers January 2006 to June 2015. This data is now deprecated.\n"],null,[]]